You have not installed the supporting 'Lib' as directed on the plugins main page...If you think you have installed it and there are still errors, then check your Plugins folder's security permissions are set to FULL and retry the installation...There are many other threads covering security permissions etc in very great detail...

I have a 3d model which has colours but no textures... at least, I can't see any texture upon exporting it in Collada (.dae) format.But I need a texture file to convert to VRML and to be able to upload file to Shapeways.Can I use this plugin to obtain a texture map from my colors?If not, how can I accomplish this task?

I posted a similar response to you in another thread. Do not copy plugins files/libs from an earlier SketchUp version.Install the newest available ones - available from the PluginStore - they have been updated to suit v2014 !

Hi, I'm using UV toolkit with FredoScale for game modelling. I've noticed that when I export the model(to dae), I get one texture for each quad face. I'm making a city model and this results in thousands of textures... Is this just how the plugin works or is it something I can do about it? Edit: Never mind, Just found out that the faces has to be triangels...

If I open a model made with skp 2013 and an earlier version of UV toolkit(and TT_lib) and try to edit the UV-mapping in Skp 2015 with the most recent UV-toolkit and TT lib , will the UV-mapping get messed up?

get_texture_projection and set_texture_projection was an attempt to add support for that. It was added close to a release a while back. Though it didn't really fully solve things. (and should probably be deprecated.) As things are right now there aren't any good info to go by.

I noted when you save UVs data and then you save the .skp file the size of the file increases notably, is there any way to cleanup that data after it has been used?It would be fantastic to add a feature to clean the data.

Example: UVs data of 6000 faces, the file increases about 4mg, if you have saved the UVs of various objects the increment can be immense.